Sheath for a biosensor surface carrier



FIG. 1 is a top, front and left side perspective view of a sheath for a biosensor surface carrier showing my new design;

FIG. 2 is a bottom, rear and right side perspective view;

FIG. 3 is a top plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a sheath for a biosensor surface carrier, as shown and described. 